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I have a 32" Insignia LCD TV that gives me a "no signal" from the coax input. All other inputs appear to work properly. The settings have been checked and are correct.

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  • oji1906 Nov 17, 2009

    I am talking about a signal from a cable wire. Wire from the wall into back of TV. Worked initially, now just shows "no signal". I have moved the TV to different outlets that are known to be good with the same result.

  • oji1906 Nov 17, 2009

    Not it. Moved the tv to multiple areas using different cables. Cable is not the issue.

  • oji1906 Nov 17, 2009

    Thanks!! Is that something I could do myself?

  • oji1906 Nov 17, 2009

    Great input on resolving the issue.

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You got a bad co axe connector a a faulty tuner board the tuner is where the co axe connects no other inputs witch derive off another circuit to the decoder direct. You will need to have the tuner replaced if you are sure all your connections are fine that will be all there is to that issue.

thanks for using fixya please do click the accept button.

Posted on Nov 17, 2009

  • Grand Canyon Tech
    Grand Canyon Tech Nov 17, 2009

    Si this something you can do yourself? A: This really depends on your skills as far as basic electronics if you know how to successfully unsolder a tuner and solder a new one on the board the answer is YES, but if you do not have skills the answer would be NO. To be on the safe side of the fence leave it to the experts you be glad you did, Thank you for accepting my answer/solution this really does not only help me stay on top of my quality but helps by the electricity and internet bill to help others again Thank You!!

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  • Master
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Hi.

If you are simply talking about the coax where to connect an analog antenna, signal on analog must be tuned. After connecting device or antenna perform auto tuning on TV channels to find signal.



If you are talking about digital coax from built in cable TV, check the coax cable. the Coax port must be connected to a device or to a cable from network to get signal.



Regards

Posted on Nov 16, 2009

  • Ginko
    Ginko Nov 17, 2009

    Then the Coax cable is probably bad.


    If you can disconnect the cable from the wall and test the cable.




    The cable can be tested using a multimeter on Ohms. At each connector, pointing multimeter probes at the two ends of the cable, you must have an impedance between zero and 75 Ohms.



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I have a apex 32-inch tv model (AT3208S), This tv was connect to a converter box, the other day electric power went out in our area for about 8 mins or less, once the power was back on the tv screen was...


OK, I have one of these TVs, and here's a thought: There's nothing wrong with the TV nor with the cable converter box. Please bear with me. Since I don't know how much you may know about TVs in general and this one in particular, I'm going to assume you know nothing and go from there.

This TV has several different "inputs", which are ways a signal can be transferred from its source to the TV, where it "outputs" the video image. I believe this particular TV has 5 different inputs: In descending order of the quality of the video signal, there're one S-video input (a 4-pin video connector plus red & white audio), three composite video inputs (3 connectors each: yellow video and red/white audio--audio connectors are the same for both s-video and composite), and one coax connector (a single large screw-on connector with a little wire sticking up through the center of it) for a total of five different inputs.

The problem with these Apex TVs is that they always default to the Antenna/coax input first when they are restarted. Most people use the TV to display an input signal (like the cable box or a DVD player) connected either to the S-video or to one of the 3 composite video inputs, not to the coax input, which just displays the channel numbers from 1-125 when it's set to do that (hit the "display" button on your remote to toggle showing the channel numbers for the coax input). If there's no signal coming into the coax input, the screen with appear blue. (If it's blue, it simply means it's not getting a signal via the input to which the TV is currently set. You can turn off the blue screen in the menu settings, but then you'll just get a blank screen. It's probably better just to leave the screen blue; at least you can tell the TV's actually trying to display something that way.)

You have to manually select the proper input by pressing the "video" button either on the remote (lower right corner) or the "video" button directly on the TV (hidden control panel under the middle of the margin around the bottom of the TV screen. You'll have to press on the door, and the whole control panel rolls open to reveal another set of composite inputs and some buttons. The video button is the one farthest to the left.)

Anyhow, by pressing the video buttons, you'll cycle through the various inputs. Assuming your cable converter box is functioning properly, powered on, receiving a signal from the cable company, and connected to the TV via a(n) appropriate wire(s) connected correctly, you should see the output from the cable box on the screen when you cycle through to display the proper video input.

Another possibility: the power outage fried the input to which your cable box was connected on the back of the TV. If that's the case, your cable box would probably also have sustained damage. You can check to see if the various video inputs on the TV are working by connecting different source inputs (like a BluRay/DVD/VCR player, video game console, video camera, etc.) to one of the other inputs and see if you get a picture when the TV is set to the appropriate inputs. (Remember, the "video" button is what selects/changes/cycles through the various video inputs.) One of the sets of inputs went bad on my TV. I just use the other ones.

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HOW DO I CONNECT A VCR AND WHAT DO i SET THE INPUT ON.


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1 Answer

No signal from coax input on 32" lcd


Hi


Thanks for using FixYa. Due to two things that will cause the No Signal message to come up are – no data available for closed captioning and a weak signal input. Your TV is in the Closed Captioning Mode. To turn off simply bring up the on screen menu and scroll down to the part that says closed captioning and turn this function off! With the closed captioning block displayed and the program being viewed is not sending out closed captioning signals the TV will display, No Signal!

If this doesn’t resolve your issue then the problem may be with the processor failing and it is causing a random read of the EPROM to display the No Signal message.

I’ll suggest you to run the HDMI from the PVR (personal video recorder) directly to the TV (mute the TV), and then run the optical audio from the PVR directly into the receiver's optical in. The closed captioning is something that is addressed in analog broadcasts, but not necessarily digital broadcasts.

Try using Component cables if this doesn’t make a difference. After using components cables your issue will be resolved.


Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks

Rylee

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